Comus has a very very bad user interface. Obviously the developer(s) didn't get any HCI lessons.
Also it is said to be a big resource hog that some hosting companies refuse to support it on their servers.
AutoGallery SQL is good and easy to use, but the developers don't develop new features.
Try the demo of AutoGallery SQL:
http://www.jmbsoft.com/software/ags/demo.php